CN219911827U - High-sealing pneumatic high-vacuum ball valve - Google Patents
High-sealing pneumatic high-vacuum ball valve Download PDFInfo
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- CN219911827U CN219911827U CN202321074172.4U CN202321074172U CN219911827U CN 219911827 U CN219911827 U CN 219911827U CN 202321074172 U CN202321074172 U CN 202321074172U CN 219911827 U CN219911827 U CN 219911827U
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- spherical
- valve core
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- 238000007789 sealing Methods 0.000 title claims abstract description 58
- 238000000605 extraction Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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Abstract
The utility model discloses a high-sealing pneumatic high-vacuum ball valve which comprises a valve core mechanism and two valve bodies arranged in a split mode, wherein the valve bodies are symmetrically arranged relative to the valve core mechanism and fixedly connected through bolts, the valve core mechanism comprises a spherical valve core, a sealing ring and a valve rod, a valve core through hole is formed in the spherical valve core, the spherical valve core is rotationally connected in the valve body, the sealing rings are fixedly connected to the outer walls of the spherical valve core above and below the valve core through hole, and sealing grooves for the sealing rings to enter are formed in the valve body. According to the utility model, through the design of the two split valve bodies, when the rubber gasket on the sealing ring is worn, the two valve bodies are opened, so that the rubber gasket is convenient to replace, and the tightness of the ball valve is ensured.
Description
Technical Field
The utility model relates to a vacuum ball valve, in particular to a high-sealing pneumatic high-vacuum ball valve.
Background
Common types of valves include butterfly valves, ball valves, inflation valves, baffle valves, trimming valves, diaphragm valves, gate valves and the like. In the pipeline of the vacuum system, a ball valve is often used as a key component for gas path on-off control, and particularly, the ball valve used in vacuumizing has more strict requirements on performance.
In the prior art, the sealing performance of the vacuum ball valve is often not guaranteed because the sealing performance between the spherical surfaces is high in processing precision requirement.
Disclosure of Invention
The utility model aims to provide a high-sealing pneumatic high-vacuum ball valve to solve the problems in actual use.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a high sealed pneumatic high vacuum ball valve, includes the valve core mechanism and two valve bodies that set up to the opening, the valve body sets up with valve core mechanism symmetry, and passes through bolt fixed connection between two valve bodies, valve core mechanism includes spherical case, sealing washer and valve rod, has seted up the case through-hole on the spherical case, and spherical case rotates to be connected in the valve body, is located the equal fixedly connected with sealing washer on the spherical case outer wall of case through-hole top and below, and has seted up the seal groove that supplies the sealing washer to get into in the valve body, through the setting of sealing washer and seal groove, improves the leakproofness of ball valve.
Preferably: and a rubber pad is fixedly connected to the outer wall of the sealing ring, and the sealing performance between the valve body and the valve core mechanism is further improved through the rubber pad.
Through two valve body designs that split, when the rubber pad on the sealing washer takes place wearing and tearing, open the back with two valve bodies to the convenience is changed the rubber pad, guarantees the leakproofness of ball valve.
Preferably: the top fixedly connected with of spherical case is vertical to be set up the valve rod, and the top of valve rod stretches out the valve body outside, the top surface fixedly connected with extraction opening of valve rod, and in the extraction opening communicates spherical case, through the setting of extraction opening to make things convenient for the space in the vacuum ball valve to evacuate through the vacuum pump.
Preferably: the middle part fixedly connected with solid fixed ring in the case through-hole, the equal fixedly connected with pneumatic telescopic link in both sides of gu fixed ring, and pneumatic telescopic link's the other end fixedly connected with round platform seal mouth.
Preferably: the round platform sealing port is round platform form, and round platform sealing port's major diameter is the same with the internal diameter of case through-hole, and round platform sealing port's major diameter is greater than the valve port internal diameter of valve body, and round platform sealing port's minor diameter is less than the valve port internal diameter of valve body, in the in-service use, the round platform sealing port supports in the valve port of valve body to can effectively further improve the leakproofness of vacuum ball valve.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the design of the two split valve bodies, when the rubber gasket on the sealing ring is worn, the two valve bodies are opened, so that the rubber gasket is convenient to replace, and the tightness of the ball valve is ensured.
Drawings
Fig. 1 is a schematic structural view of a high-sealing pneumatic high-vacuum ball valve.
Fig. 2 is an exploded view of a high seal pneumatic high vacuum ball valve.
Fig. 3 is a schematic structural view of a valve core mechanism in a high-sealing pneumatic high-vacuum ball valve.
As shown in the figure: 1. a valve body; 2. a valve core mechanism; 3. a spherical valve core; 4. a seal ring; 5. a valve stem; 6. an extraction opening; 7. sealing grooves; 8. sealing the port by a round table; 9. a pneumatic telescopic rod; 10. and a fixing ring.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1 to 3, in the embodiment of the utility model, a high-sealing pneumatic high-vacuum ball valve comprises a valve core mechanism 2 and two valve bodies 1 which are arranged in a split way, wherein the valve bodies 1 are symmetrically arranged relative to the valve core mechanism 2, the two valve bodies 1 are fixedly connected through bolts, the valve core mechanism 2 comprises a spherical valve core 3, a sealing ring 4 and a valve rod 5, a valve core through hole is formed in the spherical valve core 3, the spherical valve core 3 is rotationally connected in the valve body 1, the sealing rings 4 are fixedly connected on the outer walls of the spherical valve core 3 above and below the valve core through hole, a sealing groove 7 for the sealing ring 4 to enter is formed in the valve body 1, and the sealing performance of the ball valve is improved through the arrangement of the sealing rings 4 and the sealing groove 7.
The outer wall of the sealing ring 4 is fixedly connected with a rubber pad, and the tightness between the valve body 1 and the valve core mechanism 2 is further improved through the rubber pad.
It should be noted that, through the design of two valve bodies 1 that split, when the rubber pad on sealing washer 4 takes place wearing and tearing, open the back with two valve bodies 1 to the convenience is changed the rubber pad, guarantees the leakproofness of ball valve.
The top fixedly connected with of spherical case 3 is vertical valve rod 5 that sets up, and outside valve body 1 is stretched out on the top of valve rod 5, the top surface fixedly connected with extraction opening 6 of valve rod 5, and in extraction opening 6 communicates spherical case, through the setting of extraction opening 6 to make things convenient for the space in the vacuum ball valve to evacuate through the vacuum pump.
The middle part fixedly connected with solid fixed ring 10 in the case through-hole, the both sides of solid fixed ring 10 are all fixedly connected with pneumatic telescopic link 9, and the other end fixedly connected with round platform seal 8 of pneumatic telescopic link 9.
The round table sealing port 8 is round table-shaped, the diameter of the large end of the round table sealing port 8 is the same as the inner diameter of the valve core through hole, the diameter of the large end of the round table sealing port 8 is larger than the inner diameter of the valve port of the valve body 1, the diameter of the small end of the round table sealing port 8 is smaller than the inner diameter of the valve port of the valve body 1, and in actual use, the round table sealing port 8 abuts against the valve port of the valve body 1, so that the tightness of the vacuum ball valve can be effectively further improved.
It should be noted that, the pneumatic telescopic rod 9 is driven by the pneumatic system of the pneumatic high vacuum ball valve to work, and the control of the pneumatic telescopic rod 9 by the pneumatic system is the prior art, which is not described here.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides a high-sealing pneumatic high vacuum ball valve, includes case mechanism (2) and two valve body (1) that set up to opening, its characterized in that, valve body (1) are about case mechanism (2) symmetry setting, and pass through bolt fixed connection between two valve bodies (1), case mechanism (2) are including spherical case (3), sealing washer (4) and valve rod (5), have seted up the case through-hole on spherical case (3), and spherical case (3) swivelling joint in valve body (1), equal fixedly connected with sealing washer (4) on the spherical case (3) outer wall that is located case through-hole top and below, and set up in valve body (1) and supply sealing washer (4) to get into seal groove (7).
2. The high-sealing pneumatic high-vacuum ball valve according to claim 1, wherein a rubber pad is fixedly connected to the outer wall of the sealing ring (4).
3. The high-sealing pneumatic high-vacuum ball valve according to claim 2, wherein the top of the spherical valve core (3) is fixedly connected with a valve rod (5) which is vertically arranged, the top end of the valve rod (5) extends out of the valve body (1), the top surface of the valve rod (5) is fixedly connected with an extraction opening (6), and the extraction opening (6) is communicated into the spherical valve core.
4. The high-sealing pneumatic high-vacuum ball valve according to claim 1, wherein a fixing ring (10) is fixedly connected to the middle part in the valve core through hole, pneumatic telescopic rods (9) are fixedly connected to two sides of the fixing ring (10), and a round table sealing port (8) is fixedly connected to the other end of each pneumatic telescopic rod (9).
5. The high-sealing pneumatic high-vacuum ball valve according to claim 4, wherein the round table sealing port (8) is in a round table shape, the diameter of the large end of the round table sealing port (8) is the same as the inner diameter of the valve core through hole, the diameter of the large end of the round table sealing port (8) is larger than the inner diameter of the valve port of the valve body (1), and the diameter of the small end of the round table sealing port (8) is smaller than the inner diameter of the valve port of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074172.4U CN219911827U (en) | 2023-05-06 | 2023-05-06 | High-sealing pneumatic high-vacuum ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074172.4U CN219911827U (en) | 2023-05-06 | 2023-05-06 | High-sealing pneumatic high-vacuum ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911827U true CN219911827U (en) | 2023-10-27 |
Family
ID=88434609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321074172.4U Active CN219911827U (en) | 2023-05-06 | 2023-05-06 | High-sealing pneumatic high-vacuum ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911827U (en) |
-
2023
- 2023-05-06 CN CN202321074172.4U patent/CN219911827U/en active Active
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